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发明名称
摘要
申请公布号
CS165470(B1)
申请公布日期
1975.12.22
申请号
CS19710001086
申请日期
1971.02.12
申请人
发明人
分类号
(IPC1-7):C03B5/30
主分类号
(IPC1-7):C03B5/30
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代理人
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地址
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